A Fingerprint Sensor with Impedance Sensing for Fraud Detection

📋 论文概要

该论文提出了一种集成阻抗传感的指纹传感器，用于检测假手指欺诈，防止指纹识别系统被欺骗。通过将电容式指纹传感与阻抗检测相结合，实现了用户认证与防欺骗的一体化。

💡 主要创新点

• 首次将阻抗传感技术集成到指纹传感器中，用于实时检测手指的电气特性以区分真伪。
• 在保持电容式指纹传感精度的同时，增加了欺诈检测功能，无需额外传感器。

🏷 关键词

📄 原文摘要

Corporation, Kanagawa, Japan 2 A fingerprint sensor that integrates fraud detection and fingerprint sensing to prevent spoofing with a fake (artificial) finger is presented. Fingerprint identification using capacitive fingerprint sensing provides small user-authentication systems

👥 作者与机构

Toshishige Shimamura1, Hiroki Morimura1, Nobuhiro Shimoyama1,

Tomomi Sakata1, Satoshi Shigematsu1, Katsuyuki Machida2, Mamoru Nakanishi1 1 NTT Microsystem Integration Laboratories, Kanagawa, Japan NTT Advanced Technology